Office Add-ins documentation

Use the Office Add-ins platform to build solutions that extend Office applications and interact with content in Office documents. With Office Add-ins, you can use familiar web technologies such as HTML, CSS, and JavaScript to build a solution that can run in Office across multiple platforms, including on Windows, Mac, iPad, and in a web browser.

Get started

New to building Office Add-ins? Use a quick start to quickly get up and running, complete a tutorial to learn more about the capabilities of an add-in, and explore Office JavaScript APIs with Script Lab.

5-minute Quick Starts

Build your first Office Add-in in under 5 minutes!

Excel add-in quick start

Excel custom functions quick start

OneNote add-in quick start

Outlook add-in quick start

PowerPoint add-in quick start

Project add-in quick start

Word add-in quick start
Tutorials

Complete a tutorial to learn more about the capabilities of an add-in.

Excel add-in tutorial

Excel custom functions tutorial

Outlook add-in tutorial

PowerPoint add-in tutorial

Word add-in tutorial
Script Lab

Learn about Office JavaScript APIs for Excel, Word, or PowerPoint by trying them out in Script Lab.

Script Lab

Learn about Office Add-ins

Office Add-ins guidance

Learn about the Office Add-ins platform and important concepts that apply to building any type of Office Add-in.

Resources

Note: For information about COM or VSTO add-ins, see the Office client development documentation.